#include <fstream>
using namespace std;
ifstream cin("disjoin.in");
ofstream cout("disjoint.out");

int Root[100013], Rank[100013];
int n,i,j,m,a,b,op;

int Find_root( int nod)
{
 while(nod!=Root[nod]) nod=Root[nod];
 return nod;
}

void unite ( int a, int b)
{
 if (Rank[a]>Rank[b]) Root[b]=a;
                else  Root[a]=b;
 if (Rank[a]==Rank[b]) ++Rank[b];
}

int main()
{
 cin>>n>>m;
 for (i=1;i<=n;++i) Root[i]=i, Rank[i]=1;
 while(m--)
   {
    cin>>op>>a>>b;
    if (op==1) unite(Find_root(a),Find_root(b));
    if (op==2){
               if (Find_root(a)==Find_root(b)) cout<<"DA\n";
                                          else cout<<"NU\n";
               }
   }  
return 0;
}